/*
 * Copyright (c) 2011 Imre Fazekas.
 * All rights reserved.
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 * Neither the name of the Brillien nor the names of its
 * terms and concepts may be used to endorse or promote products derived from this
 * software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

package com.vii.streamline.web;

import com.vii.streamline.services.ThreadServices;
import org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager;

import java.util.concurrent.TimeUnit;

/**
 * Monitors the open HTTP connections trying to shut down all stalled or idle connections.
 */
public class IdleConnectionMonitorThread implements Runnable{

    private ThreadSafeClientConnManager cm;
    private boolean                     working;

    {
        working = true;
    }

    public IdleConnectionMonitorThread(ThreadSafeClientConnManager cm) {
        this.cm = cm;
    }

    @Override
    public void run() {
        if( working ){
            cm.closeExpiredConnections();
            // Optionally, close connections
            // that have been idle longer than 30 sec
            cm.closeIdleConnections(30, TimeUnit.SECONDS);

            ThreadServices.getStpe().schedule( this, 5000, TimeUnit.MILLISECONDS );
        }
    }

    public void shutdown() {
        working = false;
    }

}
